BLACKOUT MAP

SonicWall · SMA1000 Appliances

CVE-2026-15409

SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

Exploited in attacks Used by ransomware Critical 10.0 Attack chance: 6.8%
Share

What it is

A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A remote unauthenticated attacker could potentially cause the appliance to make requests to unintended location.

CISA: SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to potentially cause the appliance to make requests to unintended location.

What to do

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Deadline for US federal agencies: July 17, 2026

Added to the CISA list
July 14, 2026
Published
July 14, 2026
Severity
Critical 10.0 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
6.8% in the top 6.0% of all known vulnerabilities
Weakness
CWE-918
More details
NVD · CVE.org · CISA

More exploited flaws from SonicWall

AddedVulnerabilityProductSeverityAttack chance
Sep 2, 2026Server-Side Request ForgeryCVE-2026-83548SMA1000 AppliancesCritical 10.08.0%
Sep 2, 2026OS Command InjectionCVE-2026-83549SMA1000 AppliancesHigh 7.89.9%
Jul 14, 2026Code InjectionCVE-2026-15410used by ransomwareSMA1000 AppliancesHigh 7.212%
Jan 24, 2025DeserializationCVE-2025-23006used by ransomwareSMA1000 AppliancesCritical 9.823%
Dec 17, 2025SMA1000 Missing AuthorizationCVE-2025-40602SMA1000 applianceMedium 6.62.8%
May 1, 2025OS Command InjectionCVE-2023-44221SMA100 AppliancesHigh 7.276%
Apr 16, 2025OS Command InjectionCVE-2021-20035SMA100 AppliancesMedium 6.54.4%
Feb 18, 2025SSLVPN Improper AuthenticationCVE-2024-53704used by ransomwareSonicOSHigh 8.295%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.